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Size D / 1 Featherpost white padded bubble envelopes. These are equivalent to mail lite / Arofol and jiffy airkraft size. The Internal measurements of each envelope are 180mm x 265mm. Classed
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ROYAL MAIL LARGE LETTER SIZE GOLD PADDED BUBBLE ENVELOPES BAGS POSTAL WRAP - SIZE SS6 EP6 F/3 230 X 340 MM
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